Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #ifndef FIO_H |
| 2 | #define FIO_H |
| 3 | |
| 4 | #include <sched.h> |
| 5 | #include <limits.h> |
| 6 | #include <pthread.h> |
| 7 | #include <sys/time.h> |
| 8 | #include <sys/resource.h> |
Jens Axboe | 3c39a37 | 2006-06-06 20:56:12 +0200 | [diff] [blame] | 9 | #include <errno.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdio.h> |
Jens Axboe | 6d6f031 | 2006-06-07 21:39:13 +0200 | [diff] [blame] | 12 | #include <unistd.h> |
Jens Axboe | 34cfcda | 2006-11-03 14:00:45 +0100 | [diff] [blame] | 13 | #include <string.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 14 | |
| 15 | #include "list.h" |
| 16 | #include "md5.h" |
| 17 | #include "crc32.h" |
| 18 | #include "arch.h" |
| 19 | #include "os.h" |
| 20 | |
Jens Axboe | b6959b5 | 2007-02-14 21:40:27 +0000 | [diff] [blame] | 21 | #ifdef FIO_HAVE_SYSLET |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 22 | #include "syslet.h" |
Jens Axboe | b6959b5 | 2007-02-14 21:40:27 +0000 | [diff] [blame] | 23 | #endif |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 24 | |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 25 | enum fio_ddir { |
| 26 | DDIR_READ = 0, |
| 27 | DDIR_WRITE, |
| 28 | DDIR_SYNC, |
| 29 | }; |
| 30 | |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 31 | enum td_ddir { |
Jens Axboe | b1ec1da | 2007-02-23 10:29:16 +0100 | [diff] [blame] | 32 | TD_DDIR_READ = 1 << 0, |
| 33 | TD_DDIR_WRITE = 1 << 1, |
| 34 | TD_DDIR_RAND = 1 << 2, |
| 35 | TD_DDIR_RW = TD_DDIR_READ | TD_DDIR_WRITE, |
| 36 | TD_DDIR_RANDREAD = TD_DDIR_READ | TD_DDIR_RAND, |
| 37 | TD_DDIR_RANDWRITE = TD_DDIR_WRITE | TD_DDIR_READ, |
| 38 | TD_DDIR_RANDRW = TD_DDIR_RW | TD_DDIR_RAND, |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 39 | }; |
| 40 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 41 | /* |
| 42 | * Use for maintaining statistics |
| 43 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 44 | struct io_stat { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 45 | unsigned long max_val; |
| 46 | unsigned long min_val; |
| 47 | unsigned long samples; |
Jens Axboe | 6870408 | 2007-01-10 19:56:37 +0100 | [diff] [blame] | 48 | |
| 49 | double mean; |
| 50 | double S; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 51 | }; |
| 52 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 53 | /* |
| 54 | * A single data sample |
| 55 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 56 | struct io_sample { |
| 57 | unsigned long time; |
| 58 | unsigned long val; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 59 | enum fio_ddir ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 60 | }; |
| 61 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 62 | /* |
| 63 | * Dynamically growing data sample log |
| 64 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 65 | struct io_log { |
| 66 | unsigned long nr_samples; |
| 67 | unsigned long max_samples; |
| 68 | struct io_sample *log; |
| 69 | }; |
| 70 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 71 | /* |
| 72 | * When logging io actions, this matches a single sent io_u |
| 73 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 74 | struct io_piece { |
| 75 | struct list_head list; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 76 | struct fio_file *file; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 77 | unsigned long long offset; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 78 | unsigned long len; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 79 | enum fio_ddir ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 80 | }; |
| 81 | |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 82 | #ifdef FIO_HAVE_SYSLET |
| 83 | struct syslet_req { |
Jens Axboe | 5b38ee8 | 2007-02-26 10:44:22 +0100 | [diff] [blame] | 84 | struct syslet_uatom atom; /* the atom to submit */ |
| 85 | struct syslet_uatom *head; /* head of the sequence */ |
| 86 | long ret; /* syscall return value */ |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 87 | }; |
| 88 | #endif |
| 89 | |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 90 | enum { |
| 91 | IO_U_F_FREE = 1 << 0, |
| 92 | IO_U_F_FLIGHT = 1 << 1, |
| 93 | }; |
| 94 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 95 | /* |
| 96 | * The io unit |
| 97 | */ |
| 98 | struct io_u { |
| 99 | union { |
| 100 | #ifdef FIO_HAVE_LIBAIO |
| 101 | struct iocb iocb; |
| 102 | #endif |
| 103 | #ifdef FIO_HAVE_POSIXAIO |
| 104 | struct aiocb aiocb; |
| 105 | #endif |
| 106 | #ifdef FIO_HAVE_SGIO |
| 107 | struct sg_io_hdr hdr; |
| 108 | #endif |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 109 | #ifdef FIO_HAVE_SYSLET |
Jens Axboe | a2e1b08 | 2007-02-14 08:06:19 +0100 | [diff] [blame] | 110 | struct syslet_req req; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 111 | #endif |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 112 | }; |
| 113 | struct timeval start_time; |
| 114 | struct timeval issue_time; |
| 115 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 116 | /* |
| 117 | * Allocated/set buffer and length |
| 118 | */ |
Jens Axboe | 6b9cea2 | 2006-10-30 17:00:24 +0100 | [diff] [blame] | 119 | void *buf; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 120 | unsigned long buflen; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 121 | unsigned long long offset; |
| 122 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 123 | /* |
| 124 | * IO engine state, may be different from above when we get |
| 125 | * partial transfers / residual data counts |
| 126 | */ |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 127 | void *xfer_buf; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 128 | unsigned long xfer_buflen; |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 129 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 130 | unsigned int resid; |
| 131 | unsigned int error; |
| 132 | |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 133 | enum fio_ddir ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 134 | |
Jens Axboe | dfd7bc2 | 2006-10-24 12:17:57 +0200 | [diff] [blame] | 135 | /* |
| 136 | * io engine private data |
| 137 | */ |
| 138 | union { |
| 139 | unsigned int index; |
| 140 | unsigned int seen; |
| 141 | }; |
| 142 | |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 143 | unsigned int flags; |
| 144 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 145 | struct fio_file *file; |
| 146 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 147 | struct list_head list; |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 148 | |
| 149 | /* |
| 150 | * Callback for io completion |
| 151 | */ |
| 152 | int (*end_io)(struct io_u *); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 153 | }; |
| 154 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 155 | /* |
| 156 | * io_ops->queue() return values |
| 157 | */ |
| 158 | enum { |
| 159 | FIO_Q_COMPLETED = 0, /* completed sync */ |
| 160 | FIO_Q_QUEUED = 1, /* queued, will complete async */ |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 161 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 162 | }; |
| 163 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 164 | #define FIO_HDR_MAGIC 0xf00baaef |
| 165 | |
| 166 | enum { |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 167 | VERIFY_NONE = 0, /* no verification */ |
| 168 | VERIFY_MD5, /* md5 sum data blocks */ |
| 169 | VERIFY_CRC32, /* crc32 sum data blocks */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 170 | }; |
| 171 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 172 | /* |
| 173 | * A header structure associated with each checksummed data block |
| 174 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 175 | struct verify_header { |
| 176 | unsigned int fio_magic; |
| 177 | unsigned int len; |
| 178 | unsigned int verify_type; |
| 179 | union { |
| 180 | char md5_digest[MD5_HASH_WORDS * 4]; |
| 181 | unsigned long crc32; |
| 182 | }; |
| 183 | }; |
| 184 | |
| 185 | struct group_run_stats { |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 186 | unsigned long long max_run[2], min_run[2]; |
| 187 | unsigned long long max_bw[2], min_bw[2]; |
Jens Axboe | e9b2a3f | 2006-06-06 15:38:33 +0200 | [diff] [blame] | 188 | unsigned long long io_kb[2]; |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 189 | unsigned long long agg[2]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 190 | }; |
| 191 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 192 | /* |
| 193 | * What type of allocation to use for io buffers |
| 194 | */ |
| 195 | enum fio_memtype { |
| 196 | MEM_MALLOC = 0, /* ordinary malloc */ |
| 197 | MEM_SHM, /* use shared memory segments */ |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 198 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 199 | MEM_MMAP, /* use anonynomous mmap */ |
Jens Axboe | d0bdaf4 | 2006-12-20 14:40:44 +0100 | [diff] [blame] | 200 | MEM_MMAPHUGE, /* memory mapped huge file */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 201 | }; |
| 202 | |
| 203 | /* |
| 204 | * The type of object we are working on |
| 205 | */ |
| 206 | enum fio_filetype { |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 207 | FIO_TYPE_FILE = 1, /* plain file */ |
| 208 | FIO_TYPE_BD, /* block device */ |
| 209 | FIO_TYPE_CHAR, /* character device */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 210 | }; |
| 211 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 212 | enum fio_ioengine_flags { |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 213 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
| 214 | FIO_CPUIO = 1 << 1, /* cpu burner, doesn't do real io */ |
| 215 | FIO_MMAPIO = 1 << 2, /* uses memory mapped io */ |
| 216 | FIO_RAWIO = 1 << 3, /* some sort of direct/raw io */ |
| 217 | FIO_NETIO = 1 << 4, /* networked io */ |
| 218 | FIO_NULLIO = 1 << 5, /* no real data transfer (cpu/null) */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 219 | }; |
| 220 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 221 | /* |
| 222 | * Each thread_data structure has a number of files associated with it, |
| 223 | * this structure holds state information for a single file. |
| 224 | */ |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 225 | struct fio_file { |
| 226 | /* |
| 227 | * A file may not be a file descriptor, let the io engine decide |
| 228 | */ |
| 229 | union { |
| 230 | unsigned long file_data; |
Jens Axboe | e26f8f7 | 2007-02-17 04:39:54 +0100 | [diff] [blame] | 231 | int fd; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 232 | }; |
| 233 | char *file_name; |
| 234 | void *mmap; |
| 235 | unsigned long long file_size; |
| 236 | unsigned long long real_file_size; |
| 237 | unsigned long long file_offset; |
| 238 | unsigned long long last_pos; |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 239 | unsigned long long last_completed_pos; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 240 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 241 | /* |
| 242 | * block map for random io |
| 243 | */ |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 244 | unsigned long *file_map; |
| 245 | unsigned int num_maps; |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 246 | unsigned int last_free_lookup; |
Jens Axboe | 9b031dc | 2006-12-15 16:01:54 +0100 | [diff] [blame] | 247 | |
| 248 | unsigned int unlink; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 249 | }; |
| 250 | |
Jens Axboe | 079ad09 | 2007-02-20 13:58:20 +0100 | [diff] [blame] | 251 | struct thread_stat { |
| 252 | struct io_log *slat_log; |
| 253 | struct io_log *clat_log; |
| 254 | struct io_log *bw_log; |
| 255 | |
| 256 | /* |
| 257 | * bandwidth and latency stats |
| 258 | */ |
| 259 | struct io_stat clat_stat[2]; /* completion latency */ |
| 260 | struct io_stat slat_stat[2]; /* submission latency */ |
| 261 | struct io_stat bw_stat[2]; /* bandwidth stats */ |
| 262 | |
| 263 | unsigned long long stat_io_bytes[2]; |
| 264 | struct timeval stat_sample_time[2]; |
| 265 | |
| 266 | /* |
| 267 | * fio system usage accounting |
| 268 | */ |
| 269 | struct rusage ru_start; |
| 270 | struct rusage ru_end; |
| 271 | unsigned long usr_time; |
| 272 | unsigned long sys_time; |
| 273 | unsigned long ctx; |
| 274 | }; |
| 275 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 276 | /* |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 277 | * How many depth levels to log |
| 278 | */ |
| 279 | #define FIO_IO_U_MAP_NR 8 |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 280 | #define FIO_IO_U_LAT_NR 12 |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 281 | |
| 282 | /* |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 283 | * This describes a single thread/process executing a fio job. |
| 284 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 285 | struct thread_data { |
Jens Axboe | b1ec1da | 2007-02-23 10:29:16 +0100 | [diff] [blame] | 286 | int pad; |
Jens Axboe | 61697c3 | 2007-02-05 15:04:46 +0100 | [diff] [blame] | 287 | char *description; |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 288 | char *name; |
Jens Axboe | ef899b6 | 2006-06-06 09:31:00 +0200 | [diff] [blame] | 289 | char *directory; |
Jens Axboe | 13f8e2d | 2006-10-24 09:29:45 +0200 | [diff] [blame] | 290 | char *filename; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 291 | char verror[80]; |
| 292 | pthread_t thread; |
| 293 | int thread_number; |
| 294 | int groupid; |
Jens Axboe | 079ad09 | 2007-02-20 13:58:20 +0100 | [diff] [blame] | 295 | struct thread_stat ts; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 296 | enum fio_filetype filetype; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 297 | struct fio_file *files; |
| 298 | unsigned int nr_files; |
Jens Axboe | 13f8e2d | 2006-10-24 09:29:45 +0200 | [diff] [blame] | 299 | unsigned int nr_uniq_files; |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 300 | union { |
| 301 | unsigned int next_file; |
| 302 | os_random_state_t next_file_state; |
| 303 | }; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 304 | int error; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 305 | pid_t pid; |
| 306 | char *orig_buffer; |
| 307 | size_t orig_buffer_size; |
| 308 | volatile int terminate; |
| 309 | volatile int runstate; |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 310 | enum td_ddir td_ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 311 | unsigned int ioprio; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 312 | unsigned int last_was_sync; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 313 | |
Jens Axboe | 9158d2f | 2006-10-27 14:27:39 +0200 | [diff] [blame] | 314 | unsigned int odirect; |
| 315 | unsigned int invalidate_cache; |
| 316 | unsigned int create_serialize; |
| 317 | unsigned int create_fsync; |
| 318 | unsigned int end_fsync; |
| 319 | unsigned int sync_io; |
| 320 | unsigned int verify; |
| 321 | unsigned int use_thread; |
| 322 | unsigned int unlink; |
| 323 | unsigned int do_disk_util; |
| 324 | unsigned int override_sync; |
| 325 | unsigned int rand_repeatable; |
| 326 | unsigned int write_lat_log; |
| 327 | unsigned int write_bw_log; |
Jens Axboe | bb8895e | 2006-10-30 15:14:48 +0100 | [diff] [blame] | 328 | unsigned int norandommap; |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 329 | unsigned int bs_unaligned; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 330 | |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 331 | unsigned int bs[2]; |
| 332 | unsigned int min_bs[2]; |
| 333 | unsigned int max_bs[2]; |
Jens Axboe | 56bb17f | 2006-12-20 20:27:36 +0100 | [diff] [blame] | 334 | unsigned int hugepage_size; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 335 | unsigned int rw_min_bs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 336 | unsigned int thinktime; |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 337 | unsigned int thinktime_spin; |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 338 | unsigned int thinktime_blocks; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 339 | unsigned int fsync_blocks; |
| 340 | unsigned int start_delay; |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 341 | unsigned long timeout; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 342 | unsigned int overwrite; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 343 | unsigned int bw_avg_time; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 344 | unsigned int loops; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 345 | unsigned long long zone_size; |
| 346 | unsigned long long zone_skip; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 347 | enum fio_memtype mem_type; |
Jens Axboe | 313cb20 | 2006-12-21 09:50:00 +0100 | [diff] [blame] | 348 | char *mmapfile; |
| 349 | int mmapfd; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 350 | unsigned int stonewall; |
| 351 | unsigned int numjobs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 352 | unsigned int iodepth; |
Jens Axboe | e916b39 | 2007-02-20 14:37:26 +0100 | [diff] [blame] | 353 | unsigned int iodepth_low; |
Jens Axboe | cb5ab51 | 2007-02-26 12:57:09 +0100 | [diff] [blame^] | 354 | unsigned int iodepth_batch; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 355 | os_cpu_mask_t cpumask; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 356 | unsigned int iolog; |
Jens Axboe | 843a741 | 2006-06-01 21:14:21 -0700 | [diff] [blame] | 357 | unsigned int read_iolog; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 358 | unsigned int rwmixcycle; |
| 359 | unsigned int rwmixread; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 360 | unsigned int rwmixwrite; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 361 | unsigned int nice; |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 362 | unsigned int file_service_type; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 363 | |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 364 | char *read_iolog_file; |
| 365 | char *write_iolog_file; |
Jens Axboe | 843a741 | 2006-06-01 21:14:21 -0700 | [diff] [blame] | 366 | void *iolog_buf; |
| 367 | FILE *iolog_f; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 368 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 369 | char *sysfs_root; |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 370 | char *ioscheduler; |
| 371 | |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 372 | os_random_state_t bsrange_state; |
| 373 | os_random_state_t verify_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 374 | |
| 375 | int shm_id; |
| 376 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 377 | /* |
| 378 | * IO engine hooks, contains everything needed to submit an io_u |
| 379 | * to any of the available IO engines. |
| 380 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 381 | struct ioengine_ops *io_ops; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 382 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 383 | /* |
| 384 | * Current IO depth and list of free and busy io_u's. |
| 385 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 386 | unsigned int cur_depth; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 387 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 388 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 389 | unsigned long total_io_u; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 390 | struct list_head io_u_freelist; |
| 391 | struct list_head io_u_busylist; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 392 | struct list_head io_u_requeues; |
Jens Axboe | cb5ab51 | 2007-02-26 12:57:09 +0100 | [diff] [blame^] | 393 | unsigned int io_u_queued; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 394 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 395 | /* |
| 396 | * Rate state |
| 397 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 398 | unsigned int rate; |
| 399 | unsigned int ratemin; |
| 400 | unsigned int ratecycle; |
| 401 | unsigned long rate_usec_cycle; |
| 402 | long rate_pending_usleep; |
| 403 | unsigned long rate_bytes; |
| 404 | struct timeval lastrate; |
| 405 | |
| 406 | unsigned long runtime[2]; /* msec */ |
| 407 | unsigned long long io_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 408 | unsigned long long total_file_size; |
| 409 | unsigned long long start_offset; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 410 | unsigned long long total_io_size; |
| 411 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 412 | unsigned long io_issues[2]; |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 413 | unsigned long long io_blocks[2]; |
| 414 | unsigned long long io_bytes[2]; |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 415 | unsigned long long this_io_bytes[2]; |
Jens Axboe | 079ad09 | 2007-02-20 13:58:20 +0100 | [diff] [blame] | 416 | unsigned long long zone_bytes; |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 417 | volatile int mutex; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 418 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 419 | /* |
| 420 | * State for random io, a bitmap of blocks done vs not done |
| 421 | */ |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 422 | os_random_state_t random_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 423 | |
| 424 | /* |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 425 | * CPU "io" cycle burner |
| 426 | */ |
| 427 | unsigned int cpuload; |
| 428 | unsigned int cpucycle; |
| 429 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 430 | struct timeval start; /* start of this loop */ |
| 431 | struct timeval epoch; /* time job was started */ |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 432 | struct timeval end_time;/* time job ended */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 433 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 434 | /* |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 435 | * read/write mixed workload state |
| 436 | */ |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 437 | os_random_state_t rwmix_state; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 438 | struct timeval rwmix_switch; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 439 | enum fio_ddir rwmix_ddir; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 440 | |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 441 | /* |
| 442 | * Pre-run and post-run shell |
| 443 | */ |
| 444 | char *exec_prerun; |
| 445 | char *exec_postrun; |
| 446 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 447 | /* |
| 448 | * IO historic logs |
| 449 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 450 | struct list_head io_hist_list; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 451 | struct list_head io_log_list; |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 452 | |
| 453 | /* |
| 454 | * timeout handling |
| 455 | */ |
| 456 | struct timeval timeout_end; |
| 457 | struct itimerval timer; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 458 | }; |
| 459 | |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 460 | /* |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 461 | * roundrobin available files, or choose one at random. |
| 462 | */ |
| 463 | enum { |
| 464 | FIO_FSERVICE_RANDOM = 1, |
| 465 | FIO_FSERVICE_RR = 2, |
| 466 | }; |
| 467 | |
| 468 | /* |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 469 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting |
| 470 | * the timer on each queue operation. |
| 471 | */ |
| 472 | #define IO_U_TIMEOUT_INC 5 |
| 473 | #define IO_U_TIMEOUT 30 |
| 474 | |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 475 | #define __td_verror(td, err, msg, func) \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 476 | do { \ |
Jens Axboe | 19abcd3 | 2007-02-21 20:14:33 +0100 | [diff] [blame] | 477 | if ((td)->error) \ |
| 478 | break; \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 479 | int e = (err); \ |
| 480 | (td)->error = e; \ |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 481 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 482 | } while (0) |
| 483 | |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 484 | |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 485 | #define td_verror(td, err, func) \ |
| 486 | __td_verror((td), (err), strerror((err)), (func)) |
| 487 | #define td_vmsg(td, err, msg, func) \ |
| 488 | __td_verror((td), (err), (msg), (func)) |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 489 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 490 | extern int exitall_on_terminate; |
| 491 | extern int thread_number; |
| 492 | extern int shm_id; |
| 493 | extern int groupid; |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 494 | extern int terse_output; |
Jens Axboe | eb8bbf4 | 2006-06-08 21:40:11 +0200 | [diff] [blame] | 495 | extern FILE *f_out; |
| 496 | extern FILE *f_err; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 497 | extern int temp_stall_ts; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 498 | extern unsigned long long mlock_size; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 499 | |
| 500 | extern struct thread_data *threads; |
| 501 | |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 502 | #define td_read(td) ((td)->td_ddir & TD_DDIR_READ) |
| 503 | #define td_write(td) ((td)->td_ddir & TD_DDIR_WRITE) |
| 504 | #define td_rw(td) (((td)->td_ddir & TD_DDIR_RW) == TD_DDIR_RW) |
| 505 | #define td_random(td) ((td)->td_ddir & TD_DDIR_RAND) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 506 | |
| 507 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 508 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->rw_min_bs)) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 509 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
| 510 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 511 | |
| 512 | #define MAX_JOBS (1024) |
| 513 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 514 | static inline int should_fsync(struct thread_data *td) |
| 515 | { |
| 516 | if (td->last_was_sync) |
| 517 | return 0; |
| 518 | if (td->odirect) |
| 519 | return 0; |
| 520 | if (td_write(td) || td_rw(td) || td->override_sync) |
| 521 | return 1; |
| 522 | |
| 523 | return 0; |
| 524 | } |
| 525 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 526 | /* |
| 527 | * Disk utils as read in /sys/block/<dev>/stat |
| 528 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 529 | struct disk_util_stat { |
| 530 | unsigned ios[2]; |
| 531 | unsigned merges[2]; |
| 532 | unsigned long long sectors[2]; |
| 533 | unsigned ticks[2]; |
| 534 | unsigned io_ticks; |
| 535 | unsigned time_in_queue; |
| 536 | }; |
| 537 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 538 | /* |
| 539 | * Per-device disk util management |
| 540 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 541 | struct disk_util { |
| 542 | struct list_head list; |
| 543 | |
| 544 | char *name; |
| 545 | char path[256]; |
| 546 | dev_t dev; |
| 547 | |
| 548 | struct disk_util_stat dus; |
| 549 | struct disk_util_stat last_dus; |
| 550 | |
| 551 | unsigned long msec; |
| 552 | struct timeval time; |
| 553 | }; |
| 554 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 555 | #define DISK_UTIL_MSEC (250) |
| 556 | |
Jens Axboe | 6a0106a | 2006-05-05 10:34:43 +0200 | [diff] [blame] | 557 | #ifndef min |
| 558 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 559 | #endif |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 560 | #ifndef max |
| 561 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 562 | #endif |
Jens Axboe | 6a0106a | 2006-05-05 10:34:43 +0200 | [diff] [blame] | 563 | |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 564 | /* |
| 565 | * Log exports |
| 566 | */ |
Jens Axboe | 72cb971 | 2007-02-20 20:54:45 +0100 | [diff] [blame] | 567 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 568 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
Jens Axboe | 72cb971 | 2007-02-20 20:54:45 +0100 | [diff] [blame] | 569 | extern int __must_check init_iolog(struct thread_data *td); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 570 | extern void log_io_piece(struct thread_data *, struct io_u *); |
| 571 | extern void prune_io_piece_log(struct thread_data *); |
| 572 | extern void write_iolog_close(struct thread_data *); |
| 573 | |
| 574 | /* |
| 575 | * Logging |
| 576 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 577 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
| 578 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
| 579 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 580 | extern void show_run_stats(void); |
| 581 | extern void init_disk_util(struct thread_data *); |
| 582 | extern void update_rusage_stat(struct thread_data *); |
| 583 | extern void update_io_ticks(void); |
| 584 | extern void disk_util_timer_arm(void); |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 585 | extern void setup_log(struct io_log **); |
| 586 | extern void finish_log(struct thread_data *, struct io_log *, const char *); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 587 | extern void __finish_log(struct io_log *, const char *); |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 588 | extern int setup_rate(struct thread_data *); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 589 | extern struct io_log *agg_io_log[2]; |
| 590 | extern int write_bw_log; |
| 591 | extern void add_agg_sample(unsigned long, enum fio_ddir); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 592 | |
| 593 | /* |
| 594 | * Time functions |
| 595 | */ |
| 596 | extern unsigned long utime_since(struct timeval *, struct timeval *); |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 597 | extern unsigned long utime_since_now(struct timeval *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 598 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
| 599 | extern unsigned long mtime_since_now(struct timeval *); |
| 600 | extern unsigned long time_since_now(struct timeval *); |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 601 | extern unsigned long mtime_since_genesis(void); |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 602 | extern void __usec_sleep(unsigned int); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 603 | extern void usec_sleep(struct thread_data *, unsigned long); |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 604 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
Jens Axboe | 6043c57 | 2006-11-03 11:37:47 +0100 | [diff] [blame] | 605 | extern void fill_start_time(struct timeval *); |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 606 | extern void fio_gettime(struct timeval *, void *); |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 607 | extern void set_genesis_time(void); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 608 | |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 609 | /* |
| 610 | * Init functions |
| 611 | */ |
Jens Axboe | 72cb971 | 2007-02-20 20:54:45 +0100 | [diff] [blame] | 612 | extern int __must_check parse_options(int, char **); |
| 613 | extern int __must_check init_random_state(struct thread_data *); |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 614 | |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 615 | /* |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 616 | * File setup/shutdown |
| 617 | */ |
| 618 | extern void close_files(struct thread_data *); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 619 | extern int __must_check setup_files(struct thread_data *); |
| 620 | extern int __must_check open_files(struct thread_data *); |
| 621 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 622 | |
| 623 | /* |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 624 | * ETA/status stuff |
| 625 | */ |
| 626 | extern void print_thread_status(void); |
| 627 | extern void print_status_init(int); |
| 628 | |
| 629 | /* |
| 630 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it |
| 631 | * will never back again. It may cycle between running/verififying/fsyncing. |
| 632 | * Once the thread reaches TD_EXITED, it is just waiting for the core to |
| 633 | * reap it. |
| 634 | */ |
| 635 | enum { |
| 636 | TD_NOT_CREATED = 0, |
| 637 | TD_CREATED, |
| 638 | TD_INITIALIZED, |
| 639 | TD_RUNNING, |
| 640 | TD_VERIFYING, |
| 641 | TD_FSYNCING, |
| 642 | TD_EXITED, |
| 643 | TD_REAPED, |
| 644 | }; |
| 645 | |
| 646 | /* |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 647 | * Verify helpers |
| 648 | */ |
| 649 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 650 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
| 651 | extern int __must_check verify_io_u(struct io_u *); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 652 | |
| 653 | /* |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 654 | * Memory helpers |
| 655 | */ |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 656 | extern int __must_check fio_pin_memory(void); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 657 | extern void fio_unpin_memory(void); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 658 | extern int __must_check allocate_io_mem(struct thread_data *); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 659 | extern void free_io_mem(struct thread_data *); |
| 660 | |
| 661 | /* |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 662 | * io unit handling |
| 663 | */ |
| 664 | #define queue_full(td) list_empty(&(td)->io_u_freelist) |
| 665 | extern struct io_u *__get_io_u(struct thread_data *); |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 666 | extern struct io_u *get_io_u(struct thread_data *); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 667 | extern void put_io_u(struct thread_data *, struct io_u *); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 668 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 669 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
| 670 | extern long __must_check io_u_queued_complete(struct thread_data *, int); |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 671 | extern void io_u_queued(struct thread_data *, struct io_u *); |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 672 | extern void io_u_init_timeout(void); |
| 673 | extern void io_u_set_timeout(struct thread_data *); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 674 | |
| 675 | /* |
| 676 | * io engine entry points |
| 677 | */ |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 678 | extern int __must_check td_io_init(struct thread_data *); |
| 679 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); |
| 680 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); |
| 681 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); |
| 682 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); |
| 683 | extern int __must_check td_io_commit(struct thread_data *); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 684 | |
| 685 | /* |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 686 | * This is a pretty crappy semaphore implementation, but with the use that fio |
| 687 | * has (just signalling start/go conditions), it doesn't have to be better. |
| 688 | * Naturally this would not work for any type of contended semaphore or |
| 689 | * for real locking. |
| 690 | */ |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 691 | static inline void fio_sem_init(volatile int *sem, int val) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 692 | { |
| 693 | *sem = val; |
| 694 | } |
| 695 | |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 696 | static inline void fio_sem_down(volatile int *sem) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 697 | { |
| 698 | while (*sem == 0) |
| 699 | usleep(10000); |
| 700 | |
| 701 | (*sem)--; |
| 702 | } |
| 703 | |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 704 | static inline void fio_sem_up(volatile int *sem) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 705 | { |
| 706 | (*sem)++; |
| 707 | } |
| 708 | |
Jens Axboe | 3b70d7e | 2006-06-08 21:48:46 +0200 | [diff] [blame] | 709 | /* |
| 710 | * If logging output to a file, stderr should go to both stderr and f_err |
| 711 | */ |
| 712 | #define log_err(args...) do { \ |
| 713 | fprintf(f_err, ##args); \ |
| 714 | if (f_err != stderr) \ |
| 715 | fprintf(stderr, ##args); \ |
| 716 | } while (0) |
| 717 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 718 | struct ioengine_ops { |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 719 | struct list_head list; |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 720 | char name[16]; |
| 721 | int version; |
| 722 | int flags; |
Jens Axboe | ea2877a | 2006-10-10 08:30:24 +0200 | [diff] [blame] | 723 | int (*setup)(struct thread_data *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 724 | int (*init)(struct thread_data *); |
| 725 | int (*prep)(struct thread_data *, struct io_u *); |
| 726 | int (*queue)(struct thread_data *, struct io_u *); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 727 | int (*commit)(struct thread_data *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 728 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
| 729 | struct io_u *(*event)(struct thread_data *, int); |
| 730 | int (*cancel)(struct thread_data *, struct io_u *); |
| 731 | void (*cleanup)(struct thread_data *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 732 | void *data; |
| 733 | void *dlhandle; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 734 | unsigned long priv; |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 735 | }; |
| 736 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 737 | #define FIO_IOOPS_VERSION 5 |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 738 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 739 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 740 | extern void register_ioengine(struct ioengine_ops *); |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 741 | extern void unregister_ioengine(struct ioengine_ops *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 742 | extern void close_ioengine(struct thread_data *); |
| 743 | |
| 744 | /* |
| 745 | * Mark unused variables passed to ops functions as unused, to silence gcc |
| 746 | */ |
| 747 | #define fio_unused __attribute((__unused__)) |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 748 | #define fio_init __attribute__((constructor)) |
| 749 | #define fio_exit __attribute__((destructor)) |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 750 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 751 | #define for_each_td(td, i) \ |
| 752 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 753 | #define for_each_file(td, f, i) \ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 754 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 755 | |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 756 | #define fio_assert(td, cond) do { \ |
| 757 | if (!(cond)) { \ |
Jens Axboe | 340fd24 | 2007-02-13 20:09:10 +0100 | [diff] [blame] | 758 | int *__foo = NULL; \ |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 759 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
| 760 | (td)->runstate = TD_EXITED; \ |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 761 | (td)->error = EFAULT; \ |
Jens Axboe | 340fd24 | 2007-02-13 20:09:10 +0100 | [diff] [blame] | 762 | *__foo = 0; \ |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 763 | } \ |
| 764 | } while (0) |
| 765 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 766 | #endif |